Description
An off-by-one Error issue was discovered in Systemd in format_timespan() function of time-util.c. An attacker could supply specific values for time and accuracy that leads to buffer overrun in format_timespan(), leading to a Denial of Service.
CVSS breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected products
- fedoraproject / fedora35 – 35
- RedHat / enterprise_linux8.0 – 8.0
- RedHat / enterprise_linux9.0 – 9.0
- systemd_project / systemd251
References
- MISChttps://bugzilla.redhat.com/show_bug.cgi?id=2139327
- MISChttps://github.com/systemd/systemd/issues/23928
- PATCHhttps://github.com/systemd/systemd/pull/23933
- PATCHhttps://github.com/systemd/systemd/commit/9102c625a673a3246d7e73d8737f3494446bad4e
- MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVBQC2VLSDVQAPJTEMTREXDL4HYLXG2P/
- MISChttps://security.gentoo.org/glsa/202305-15
- MAILING_LISThttps://lists.debian.org/debian-lts-announce/2023/06/msg00036.html
Updated 16m ago · 8 sources